Table 2 Quality of sleep measured by PSQI scores in the studied population

Comp.1: Sleep quality

0.23 (0.50)

0.25 (0.44)

0.22 (0.05)

0.24 (0.56)

0.24 (0.50)

0.32 (0.71)

0.21 (0.41)

Comp.2: Sleep latency

1.39 (0.91)

1.3 (0.93)

1.43 (0.90)

0.98 (0.77) ^a

1.51 (0.92) ^a

1.26 (0.93)

1.42 (0.90)

Comp.3: Sleep duration

1.14 (0.85)

0.92 (0.62) ^a

1.23 (0.92) ^a

0.73 (0.53) ^a

1.36 (0.95) ^a

1.09 (0.83)

1.15 (0.85)

Comp.4: Sleep efficiency

0.48 (1.01)

0.25 (0.74) ^a

0.57 (1.09) ^a

0.10 (0.30) ^a

0.71 (1.21) ^a

0.39 (0.90)

0.50 (1.04)

Comp.5: Sleep disturbance

0.96 (0.57)

1 (0.56)

0.94 (0.58)

0.74 (0.56) ^a

1.05 (0.53) ^a

0.84 (0.65)

0.98 (0.54)

Comp.6: Use of sleep medication

0.03 (0.17)

0.06 (0.24)

0.02 (0.13)

0.06 (0.24)

0.02 (0.15)

0.00 (0.00)

0.04 (0.20)

Comp.7: Daytime dysfunction

1.68 (0.54)

1.63 (0.48)

1.70 (0.57)

1.68 (0.58)

1.66 (0.56)

1.79 (0.51)

1.64 (0.56)

Global PSQI Score

5.92 (2.59)

5.32 (1.90)

6.17 (2.80)

4.64 (1.65) ^a

6.52 (2.85) ^a

5.70 (2.80)

5.96 (2.56)

OR (Global PSQI Score more than 5)

1

1.15 (0.57–2.32)

1

4.17 (1.97–8.85)

1

1.81 (0.88–3.72)